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OLMo-2-1124-13B-Instruct

OLMo-2 13B Instruct November 2024 is post-trained variant of the OLMo-2 13B November 2024 model, which has undergone supervised finetuning on an OLMo-specific variant of the Tülu 3 dataset and further DPO training on this dataset, and finally RLVR training using this data. Tülu 3 is designed for state-of-the-art performance on a diversity of tasks in addition to chat, such as MATH, GSM8K, and IFEval. Check out the OLMo 2 paper (forthcoming) or Tülu 3 paper for more details!

OLMo is a series of Open Language Models designed to enable the science of language models. These models are trained on the Dolma dataset. We are releasing all code, checkpoints, logs (coming soon), and associated training details. The core models released in this batch include the following:

Model description

  • Model type: A model trained on a mix of publicly available, synthetic and human-created datasets.
  • Language(s) (NLP): Primarily English
  • License: Apache 2.0
  • Finetuned from model: allenai/OLMo-2-13B-1124-DPO

Model Sources

Installation

OLMo 2 will be supported in the next version of Transformers, and you need to install it from the main branch using:

pip install --upgrade git+https://github.com/huggingface/transformers.git

Using the model

Loading with HuggingFace

To load the model with HuggingFace, use the following snippet:

from transformers import AutoModelForCausalLM

olmo_model = AutoModelForCausalLM.from_pretrained("allenai/OLMo-2-1124-13B-Instruct")

Chat template

The chat template for our models is formatted as:

<|endoftext|><|user|>\nHow are you doing?\n<|assistant|>\nI'm just a computer program, so I don't have feelings, but I'm functioning as expected. How can I assist you today?<|endoftext|>

Or with new lines expanded:

<|endoftext|><|user|>
How are you doing?
<|assistant|>
I'm just a computer program, so I don't have feelings, but I'm functioning as expected. How can I assist you today?<|endoftext|>

It is embedded within the tokenizer as well, for tokenizer.apply_chat_template.

System prompt

In Ai2 demos, we use this system prompt by default:

You are OLMo 2, a helpful and harmless AI Assistant built by the Allen Institute for AI.

The model has not been trained with a specific system prompt in mind.

Bias, Risks, and Limitations

The OLMo 2 models have limited safety training, but are not deployed automatically with in-the-loop filtering of responses like ChatGPT, so the model can produce problematic outputs (especially when prompted to do so). See the Falcon 180B model card for an example of this.

Performance

Model Average AlpacaEval BBH DROP GSM8k IFEval MATH MMLU Safety PopQA TruthQA
Open weights models
Gemma-2-9B-it 51.9 43.7 2.5 58.8 79.7 69.9 29.8 69.1 75.5 28.3 61.4
Ministral-8B-Instruct 52.1 31.4 56.2 56.2 80.0 56.4 40.0 68.5 56.2 20.2 55.5
Mistral-Nemo-Instruct-2407 50.9 45.8 54.6 23.6 81.4 64.5 31.9 70.0 52.7 26.9 57.7
Qwen-2.5-7B-Instruct 57.1 29.7 25.3 54.4 83.8 74.7 69.9 76.6 75.0 18.1 63.1
Llama-3.1-8B-Instruct 58.9 25.8 69.7 61.7 83.4 80.6 42.5 71.3 70.2 28.4 55.1
Tülu 3 8B 60.4 34.0 66.0 62.6 87.6 82.4 43.7 68.2 75.4 29.1 55.0
Qwen-2.5-14B-Instruct 60.8 34.6 34.0 50.5 83.9 82.4 70.6 81.1 79.3 21.1 70.8
Fully open models
OLMo-7B-Instruct 28.2 5.2 35.3 30.7 14.3 32.2 2.1 46.3 54.0 17.1 44.5
OLMo-7B-0424-Instruct 33.1 8.5 34.4 47.9 23.2 39.2 5.2 48.9 49.3 18.9 55.2
OLMoE-1B-7B-0924-Instruct 35.5 8.5 37.2 34.3 47.2 46.2 8.4 51.6 51.6 20.6 49.1
MAP-Neo-7B-Instruct 42.9 17.6 26.4 48.2 69.4 35.9 31.5 56.5 73.7 18.4 51.6
OLMo-2-7B-SFT 50.0 9.3 50.7 58.2 71.2 68.0 25.1 62.0 82.4 25.0 47.8
OLMo-2-7B-DPO 55.0 29.9 47.0 58.8 82.4 74.5 31.2 63.4 81.5 24.5 57.2
OLMo-2-13B-SFT 55.7 12.0 58.8 71.8 75.7 71.5 31.1 67.3 82.8 29.3 56.2
OLMo-2-13B-DPO 61.0 38.3 58.5 71.9 84.2 80.6 35.0 68.5 80.6 28.9 63.9
OLMo-2-7B-1124–Instruct 55.7 31.0 48.5 58.9 85.2 75.6 31.3 63.9 81.2 24.6 56.3
OLMo-2-13B-1124-Instruct 61.4 37.5 58.4 72.1 87.4 80.4 39.7 68.6 77.5 28.8 63.9

Hyperparameters

PPO settings for RLVR:

  • Learning Rate: 4 × 10⁻⁷
  • Discount Factor (gamma): 1.0
  • General Advantage Estimation (lambda): 0.95
  • Mini-batches (N_mb): 1
  • PPO Update Iterations (K): 4
  • PPO's Clipping Coefficient (epsilon): 0.2
  • Value Function Coefficient (c1): 0.1
  • Gradient Norm Threshold: 1.0
  • Learning Rate Schedule: Linear
  • Generation Temperature: 1.0
  • Batch Size (effective): 512
  • Max Token Length: 2,048
  • Max Prompt Token Length: 2,048
  • Penalty Reward Value for Responses without an EOS Token: -10.0
  • Response Length: 2,048
  • Total Episodes: 100,000 (this checkpoint is training step 360)
  • KL penalty coefficient (beta): 0.03
  • Warm up ratio (omega): 0.0

License and use

OLMo 2 is licensed under the Apache 2.0 license. OLMo 2 is intended for research and educational use. For more information, please see our Responsible Use Guidelines. This model has been fine-tuned using a dataset mix with outputs generated from third party models and are subject to additional terms: Gemma Terms of Use.

Citation

A technical manuscript is forthcoming!

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